WO2022092331A1 - Door lock device capable of manually releasing locked state by using card key - Google Patents

Abstract

The present invention relates to a door lock device and, more specifically, to a door lock device which allows a user to manually release a locked state of a door by using a card key. To this end, the door lock device according to the present invention comprises: a lever frame installed around a lever insertion hole from an inside of a cover; an elevator which is maintained in a forward state or a reverse state on the lever frame; a key cylinder module in which a key cylinder moves when a card key is inserted in a key groove; a lifter which moves the elevator back and forth while interlocking with the key cylinder.

Description

Door lock that can be unlocked manually using a card key

The present invention relates to a door lock device, and more particularly, to a door lock device in which a user can manually unlock a door using a card key.

In the case of mechanical door locks, since it is inconvenient to carry a key, electric-operated door locks that can open the door by inputting a password or fingerprint are widely used in most cases.

The electrically operated door lock is provided with a push button or a touch screen for entering a password, and the user inputs the password by pressing the push button or touching the touch screen. In recent years, touch screens that are easy to input with only a light touch and exhibit a design aesthetic are often employed in electrically operated door locks.

However, since most of the electrically operated door locks operate using batteries, if the battery is discharged without recognizing the battery discharge in advance, the operation of the door lock is stopped and the door cannot be opened.

To solve this problem, a product that exposes the battery terminal on the outside of the door lock has been released. In the case of a door lock with an exposed battery terminal, operation stop due to battery discharge can be conveniently solved, but there is a problem in that it is also inconvenient because another battery must be carried in preparation for battery discharge.

Therefore, there is a need to develop a new type of door lock device that has both electric and mechanical advantages.

The present invention has been devised to solve the above problems, and an object of the present invention is to provide a door lock device that can open the door by inputting a password and at the same time manually open the door.

Another object of the present invention is to provide a door lock device capable of manually opening a door without using a general key.

To this end, the door lock device according to the first aspect of the present invention includes a lever frame installed around a lever insertion hole from the inside of a cover, an elevator maintained in a forward state or a reverse state on the lever frame, and a card key in the key groove It includes a key cylinder module that moves when the key cylinder is inserted, and a lifter that moves the elevator back and forth while interlocking with the key cylinder.

Here, when the key cylinder moves upward, the elevator moves from a forward state to a reverse state while the lifter moves upward.

And the elevator is installed on a spring to compress the spring when the elevator is in a reverse state, and when the lifter moves downward, the elevator is converted to a forward state by the restoring force of the spring.

In addition, when the elevator is in the forward state, it serves as a stopper on the lever frame to limit the rotation of the lever, and when the elevator is in the reverse state, the stopper role on the lever frame disappears to increase the rotation radius of the lever do it with

On the other hand, the key groove is characterized in that formed on the bottom surface of the cover.

The door lock device according to the second aspect of the present invention is a door lock device in which a lock state is released through proximity communication when a card key is touched. It is characterized in that the state is released.

A door lock device according to a third aspect of the present invention includes an outdoor air cover installed on the outside of a door and having a key groove formed therein, an outdoor air lever installed in an insertion hole of the outdoor air cover, and a locking device interlocking with the rotation of the outdoor air lever; , When the external air lever fails to rotate when the locking device is in a locked state and a card key is inserted into the key groove, the external air lever rotates and the locking state of the locking device is released.

Here, the outdoor air cover has an outdoor air lever frame installed around the insertion hole from the inside, and maintains a forward state or a reverse state while the elevator moves on the outdoor air lever frame, and when the card key is inserted into the key groove, the key As the cylinder moves, a lifter interlocking with the key cylinder moves the elevator back and forth.

As described above, the door lock device according to the present invention has the effect of being able to open the door in a digital manner while manually opening the door using a card key that is convenient for the user to carry.

The door lock device according to the present invention not only has a beautiful appearance, but also opens the door manually because an outsider cannot find the key hole because a key hole is formed on the bottom surface of the cover and a general key hole is not formed on the front side like a conventional door lock. has the effect of not being able to try.

Since the door lock device and the card key according to the present invention have a built-in proximity communication module, the door can be opened when the card key is placed on the door lock device, and the door can be opened manually by inserting the card key into the key groove of the door lock device. has the effect of being able to open the door automatically or manually using a single card key.

1 is a view showing a door lock device according to the present invention.

2 is a view showing a card key according to the present invention.

Figure 3 is a view showing the inside of the outside air cover before insertion of the card key according to the present invention.

Figure 4 is a view showing a cross-section of the door lock device before insertion of the card key according to the present invention.

Figure 5 is a view showing the inside of the outside air cover after the insertion of the card key according to the present invention.

Figure 6 is a view showing a cross-section of the door lock device after the insertion of the card key according to the present invention.

Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings. The configuration of the present invention and its effects will be clearly understood through the following detailed description.

Prior to the detailed description of the present invention, it is noted that the same components are denoted by the same reference numerals as possible even if they are shown on different drawings, and detailed descriptions of known components will be omitted if it is determined that it may obscure the gist of the present invention. do.

1 shows an external configuration of a door lock device according to the present invention.

Referring to FIG. 1 , the door lock device includes an outdoor air cover 10 and an outdoor air lever 20 . In FIG. 1, only the state in which the door lock device is installed on the outside of the door is shown, but the betting cover and the betting lever are installed on the inside of the door in the same manner.

The outdoor air lever 20 is inserted into the hole of the outdoor air cover 10 and connected to one side of the locking device (not shown), and similarly, the betting lever is also inserted into the hole of the betting cover and connected to the other side of the locking device.

When the door lock device according to the present invention is in the locked state, the outdoor air lever 20 does not rotate, so the door cannot be opened. As such, when the door lock device is in the locked state, if the user inputs a password through the button array installed on the outdoor air lever 20, the lock state is released and the outdoor air lever 20 can be pulled down, so the door is closed. be able to open

The door lock device according to the present invention may open the door by rotating the outdoor air lever 20 in a card key method in addition to the password input method. That is, the user can open the door by inserting the card key 30 into the key groove installed at the lower end of the outdoor air cover 10 .

The locking device of the door lock device according to the present invention is a box-type locking device inserted and installed in the door, and the outdoor air lever 20 and the betting lever are connected to both sides of the locking device. When the locking device is in the locked state, when the external air lever 20 fails to rotate and the card key 30 is inserted into the key groove, the external air lever 20 rotates and the locking state of the locking device is released.

2 shows a card key according to the present invention.

Referring to FIG. 2 , the card key 30 is manufactured in a flat shape so that the user can easily carry it in a wallet. The card key 30 according to the present invention may have a built-in proximity communication module such as NFC. In this case, a proximity communication module is also installed in the door lock device, and when the user touches the card key 30 to the door lock device, the password stored in the card key 30 is transmitted to the door lock device through proximity communication to open the door.

The user may open the door automatically by putting the card key 30 to the door lock device or manually open the door by inserting the card key 30 into the key groove of the door lock device.

Figure 3 shows the internal configuration of the outside air cover before the insertion of the card key according to the present invention, Figure 4 shows a cross section thereof.

3 and 4, the lever frame 11 is installed around the insertion hole of the outdoor air cover inside the outdoor air cover 10, and the elevator 12 is moved forward or backward on the lever frame 11. It is installed to be maintained.

A key groove is formed on the bottom surface of the outdoor air cover 10 , and when the card key 30 is inserted through the key groove, the card key 30 is inserted into the key cylinder of the key cylinder module 14 .

When the elevator 12 is in the forward state, it is in close contact with the outdoor air cover 10 to serve as a stopper on the lever frame 11 .

The socket module 22 is connected to the part where the outdoor air lever 10 is inserted into the insertion hole of the outdoor air cover and connected to the locking device, and the bar module 23 is connected to the socket module 22, and the bar module 23 ), the motor 24 is built-in.

In FIG. 4 , when the elevator 12 is in the forward state, when the socket module 22 connected to the outdoor air lever 10 rotates on the lever frame 13 , it is caught because the elevator 12 serves as a stopper.

That is, when the outdoor air lever 10 is pulled down to rotate, it is caught in the elevator 12 in the forward state and rotation of the outdoor air lever 10 is restricted. When the rotation of the outdoor air lever 10 is restricted, the lock state of the door lock device may be maintained because the latch of the lock device is not retracted.

Figure 5 shows the internal configuration of the outside air cover after the insertion of the card key according to the present invention, Figure 6 shows a cross section thereof.

5 and 6, when the card key 30 is inserted through the key groove of the outdoor air cover 10 in the forward state of the elevator 12, the card key 30 is inserted into the key cylinder of the key cylinder module 14. As it enters, the key cylinder moves upward.

When the key cylinder moves upward, the lifter 15 connected to the key cylinder module 14 interlocks with the key cylinder and moves upward together. When the lifter 15 moves upward, the position of the elevator 12 in contact with the lifter 15 is changed from the forward state to the reverse state.

The elevator 12 and the lifter 15 are in inclined contact with each other. Since the elevator 12 and the lifter 15 are in contact with the inclined surface, the elevator 12 is pushed back while the elevator 12 is pressed along the inclined surface when the lifter 15 moves upward.

When the elevator 12 is switched to the reverse state, the elevator 12 falls from the outdoor air lever 10 and the stopper role disappears. When the stopper role of the elevator 12 disappears in this way, since the socket module 22 connected to the outdoor air lever 10 is free to rotate, the outdoor air lever 10 rotates more than the forward state of the elevator.

In FIG. 6 , when the outdoor air lever 10 is rotated by pulling down, the stopper role of the elevator 12 on the lever frame 11 disappears, and it can be seen that the rotation radius of the outdoor air lever 10 is increased. (rotation angle α<β)

When the rotation radius of the outdoor air lever 10 increases, the latch of the locking device can be retracted, so that the locked state of the door lock device is released and the door is opened.

On the other hand, a spring 13 is installed in the elevator 12, so that when the elevator 12 is in a reverse state, the spring 13 is compressed, and the key cylinder moves downward while pulling out the card key 30 inserted into the key groove. When the lifter 15 is also moved downward in conjunction with it, the elevator 12 is converted to a forward state by the restoring force of the spring 13 .

The above description is merely illustrative of the present invention, and various modifications may be made by those of ordinary skill in the art to which the present invention pertains without departing from the technical spirit of the present invention.

Therefore, the embodiments disclosed in the specification of the present invention do not limit the present invention. The scope of the present invention should be interpreted by the following claims, and all technologies within the scope equivalent thereto should be construed as being included in the scope of the present invention.

The present invention can be widely used not only in an electric automatic door lock device but also in a mechanical door lock device.

Claims (8)

A lever frame installed around the lever insertion hole from the inside of the cover; an elevator maintained in a forward state or a reverse state on the lever frame; A key cylinder module in which the key cylinder moves when the card key is inserted through the keyway; A door lock device including a lifter for moving the elevator back and forth while interlocking with the key cylinder. The method of claim 1, When the key cylinder moves upward, the lifter moves upward, and the elevator switches from a forward state to a reverse state. 3. The method of claim 2, A spring is installed in the elevator so that the spring is compressed when the elevator is in a reverse state, and when the lifter moves downward, the elevator is converted to a forward state by the restoring force of the spring. The method of claim 1, When the elevator is in the forward state, it serves as a stopper on the lever frame to limit the rotation of the lever, and when the elevator is in the reverse state, the stopper role disappears on the lever frame to increase the rotation radius of the lever. door lock device. The method of claim 1, The key groove is a door lock device, characterized in that formed on the bottom surface of the cover. In a door lock device that unlocks a lock state through proximity communication when a card key is touched, The door lock device is formed in the key groove, the door lock device, characterized in that the lock state is released when the card key is inserted into the key groove. an outdoor air cover installed on the outside of the door and having a key groove; an outdoor air lever installed in the insertion hole of the outdoor air cover; a locking device interlocking with the rotation of the outdoor air lever; The door lock device, characterized in that when the outdoor air lever does not rotate when the locking device is in the locked state and the card key is inserted into the key groove, the outdoor air lever rotates and the locking state of the locking device is released. 8. The method of claim 7, An outdoor air lever frame is installed around the insertion hole from the inside of the outdoor air cover, While the elevator moves on the outdoor air lever frame, it maintains a forward state or a reverse state, When the card key is inserted into the key groove, the key cylinder moves and a lifter interlocking with the key cylinder moves the elevator back and forth.

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